Dangers of Pine Sap on Your Pickup Truck Finish

Fresh pine sap and dried-on sap are two different issues to remove. If you have a bed liner, you will still want to remove any traces of pitch on it, as well as the finish exposed finish areas of your pickup. Removing sap is a tad more difficult that removing tar or bird droppings. If it is done incorrectly, removing dried and hardened sap will scratch your paint. I discovered that hand rubbing the spots of pitch with mineral spirits, which are easy to buy in stores, is great to use. The mineral spirits act as a solvent to break up and dissolve the sap.
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From the First Diesel Engine to the Latest Solutions

The father of the revolutionary type of engine is known to be Rudolf Diesel, who patented his invention in 1897. But first diesel engines were extremely large and heavy and used only as stationary units in factories or for powering ships. Further development of this promising technology became one of the main concerns among machinery manufacturers. In 1919-1923 the German Maschinenfabrik Augsburg-Nürnberg AG (abbr. as MAN) was taking an active part in adapting diesel engines for use in commercial vehicles. The goal was achieved in 1924 when the world saw the new direct-injection diesel engine at the German Motor Show in Berlin. According to the expert public, the compressorless diesel engine from MAN was one of the most important innovations to be offered throughout the entire show. The series production wasn’t long in coming. The low vehicle weight of the unit and the colossal 80% savings in operating costs (compared with the conventional carburettor engines of the time) stood for unquestionable sales points.
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